BlockBeats News, August 14, according to official news, Coinbase will undergo maintenance at 8:00 AM Beijing time on August 19. During the maintenance period, there will be delays in sending and receiving BTC, LTC, BCH, ZEC, and DASH. All ERC20 tokens as well as sending and receiving on the Ethereum (ETH) and Ethereum Classic (ETC) networks will also experience delays, but trading will not be affected.